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131344112 = 2419432053
BaseRepresentation
bin1111101010000…
…10011011110000
3100011010222020202
413311002123300
5232111002422
621011054332
73153256304
oct765023360
9304128222
10131344112
116815a859
1237ba13a8
1321299513
141362dd04
15b7e6b92
hex7d426f0

131344112 has 20 divisors (see below), whose sum is σ = 267873480. Its totient is φ = 62215488.

The previous prime is 131344079. The next prime is 131344127. The reversal of 131344112 is 211443131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215723 + ... + 216330.

It is an arithmetic number, because the mean of its divisors is an integer number (13393674).

Almost surely, 2131344112 is an apocalyptic number.

It is an amenable number.

131344112 is an abundant number, since it is smaller than the sum of its proper divisors (136529368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131344112 is a wasteful number, since it uses less digits than its factorization.

131344112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432080 (or 432074 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 131344112 is about 11460.5458857770. The cubic root of 131344112 is about 508.3196161726.

Adding to 131344112 its reverse (211443131), we get a palindrome (342787243).

The spelling of 131344112 in words is "one hundred thirty-one million, three hundred forty-four thousand, one hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 304 432053 864106 1728212 3456424 6912848 8209007 16418014 32836028 65672056 131344112